{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["member collection", "component whole", "entity origin", "entity destination"], "input": "for decades , most of the nation 's renewable power has come from dams , which supplied cheap electricity without requiring fossil fuels ."}
{"member collection": [], "component whole": [], "entity origin": [], "entity destination": []}